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<PRE>
<font color=red>// $Id$</font>
<font color=blue>#include</font> "<font color=green>ace/Memory_Pool.h</font>"
<font color=blue>#include</font> "<font color=green>ace/Shared_Memory_MM.h</font>"
<font color=blue>#include</font> "<font color=green>ace/Malloc.h</font>"
<font color=blue>#include</font> "<font color=green>ace/Malloc_T.h</font>"
<font color=blue>#include</font> "<font color=green>ace/Thread_Manager.h</font>"
<font color=blue>#define</font> <font color=purple>DATA_SIZE</font> 100
<font color=blue>#define</font> <font color=purple>MESSAGE1</font> "<font color=green>Hiya over there client process</font>"
<font color=blue>#define</font> <font color=purple>MESSAGE2</font> "<font color=green>Did you hear me the first time?</font>"
LPCTSTR poolname="<font color=green>My_Pool</font>";
typedef ACE_Malloc<ACE_MMAP_MEMORY_POOL, ACE_Null_Mutex> Malloc_Allocator;
static void *
server (void * = 0)
{
ACE_MMAP_Memory_Pool_Options opt;
<font color=red>//Create the memory allocator passing it the shared memory</font>
<font color=red>//pool that you want to use</font>
Malloc_Allocator shm_allocator(poolname,poolname,&opt);
<font color=red>//Create a message, allocate memory for it and bind it with</font>
<font color=red>//a name so that the client can the find it in the memory</font>
<font color=red>//pool</font>
char* Message1=(char*)shm_allocator.malloc(strlen(MESSAGE1)+1);
<font color=#008888>ACE_OS::strcpy</font>(Message1,MESSAGE1);
shm_allocator.bind("<font color=green>FirstMessage</font>",Message1);
ACE_DEBUG((LM_DEBUG,"<font color=green><<%s\n</font>",Message1));
<font color=red>//How about a second message</font>
char* Message2=(char*)shm_allocator.malloc(strlen(MESSAGE2)+1);
<font color=#008888>ACE_OS::strcpy</font>(Message2,MESSAGE2);
shm_allocator.bind("<font color=green>SecondMessage</font>",Message2);
ACE_DEBUG((LM_DEBUG,"<font color=green><<%s\n</font>",Message2));
<font color=red>//Set the Server to go to sleep for a while so that the client has</font>
<font color=red>//a chance to do its stuff</font>
ACE_DEBUG((LM_DEBUG, "<font color=green>Server done writing.. going to sleep zzz..\n\n\n</font>"));
<font color=#008888>ACE_OS::sleep</font>(10);
ACE_DEBUG ((LM_DEBUG, "<font color=green>server exit\n</font>"));
return 0;
}
static void *
client (void * = 0)
{
ACE_MMAP_Memory_Pool_Options opt;
<font color=red>//Create the memory allocator passing it the shared memory</font>
<font color=red>//pool that you want to use</font>
Malloc_Allocator shm_allocator(poolname,poolname,&opt);
<font color=red>//Lets get that first message. Notice that the find is looking up the</font>
<font color=red>//memory based on the "<font color=green>name</font>" that was bound to it by the server.</font>
void *Message1 = 0;
if(shm_allocator.find("<font color=green>FirstMessage</font>") == -1 )
{
ACE_ERROR((LM_ERROR,
"<font color=green>Client ack\n</font>"));
return 0;
}
if(shm_allocator.find("<font color=green>FirstMessage</font>",Message1)==-1)
{
ACE_ERROR((LM_ERROR,
"<font color=green>Client: Problem cant find data that server has sent\n</font>"));
return 0;
}
<font color=#008888>ACE_OS::printf</font>("<font color=green>>>%s\n</font>",(char*) Message1);
<font color=#008888>ACE_OS::fflush</font>(stdout);
<font color=red>//Lets get that second message now.</font>
void *Message2;
if(shm_allocator.find("<font color=green>SecondMessage</font>",Message2)==-1)
{
ACE_ERROR((LM_ERROR,
"<font color=green>Client: Problem cant find data that server has sent\n</font>"));
<font color=#008888>ACE_OS::exit</font>(1);
}
<font color=#008888>ACE_OS::printf</font>("<font color=green>>>%s\n</font>",(char*)Message2);
<font color=#008888>ACE_OS::fflush</font>(stdout);
ACE_DEBUG((LM_DEBUG,"<font color=green>Client done reading! BYE NOW\n</font>"));
<font color=#008888>ACE_OS::fflush</font>(stdout);
<font color=red>//Get rid of all resources allocated by the server. In other</font>
<font color=red>//words get rid of the shared memory pool that had been</font>
<font color=red>//previously allocated</font>
shm_allocator.remove();
return 0;
}
int main (int, char *argv[])
{
switch (*argv[1])
{
case 's':
server ();
break;
default:
client ();
break;
}
return 0;
}
</PRE>
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